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Cheap flights from Ontario to Bilbao from C$ 374

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BIO
6 Aug — 13 Aug1
1 adult

Cheap flight deals from Ontario to Bilbao

Keep the following information in mind while searching for Ontario to Bilbao flight deals. Data was last updated 1 August 2025.

Round-trip from

C$ 776

One-way from

C$ 374

Popular in

December

Cheapest in

February

Average price

C$ 1,414
KLM
  • KLM
  • 12/1-12/2
  • 2 total stops
  • 46h 15m total
  • Ontario to Bilbao
Search Deals
13/9
  • 13/9
  • 2 total stops
  • 26h 25m total
  • Ontario to Bilbao
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 209 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Ontario to Bilbao

Cheapest flights from Ontario to Bilbao
Explore the most affordable flight options available from Ontario to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2025.

Thu 16/106:50 p.m.YUL - BIO
1 stop21h 55mKLM
Thu 23/106:50 a.m.BIO - YUL
1 stop16h 05mKLM
Deal found 30/7C$ 798
Thu 16/106:50 p.m.YUL - BIO
1 stop15h 40mMultiple Airlines
Thu 23/107:10 a.m.BIO - YUL
2 stops15h 45mMultiple Airlines
Deal found 30/7C$ 818
Thu 16/107:10 p.m.YUL - BIO
2 stops22h 15mUnited Airlines
Thu 23/107:15 a.m.BIO - YUL
2 stops30h 10mUnited Airlines
Deal found 30/7C$ 855
Mon 29/910:10 p.m.YYZ - BIO
1 stop13h 20mMultiple Airlines
Tue 7/107:40 a.m.BIO - YYZ
2 stops15h 10mMultiple Airlines
Deal found 31/7C$ 870
Mon 13/108:20 p.m.YYZ - BIO
1 stop15h 30mLufthansa
Fri 17/106:45 a.m.BIO - YYZ
1 stop15h 35mLufthansa
Deal found 31/7C$ 879
Tue 9/97:00 p.m.YUL - BIO
1 stop15h 40mDelta
Thu 18/912:00 p.m.BIO - YUL
1 stop10h 55mDelta
Deal found 31/7C$ 891
Tue 26/811:30 p.m.YYZ - BIO
1 stop29h 30mDelta
Wed 24/1211:55 a.m.BIO - YYZ
1 stop33h 45mDelta
Deal found 30/7C$ 894
Mon 29/911:30 p.m.YYZ - BIO
1 stop16h 30mAir France
Mon 6/107:10 a.m.BIO - YYZ
1 stop19h 45mAir France
Deal found 31/7C$ 897
Sun 28/910:55 a.m.YYZ - BIO
2 stops15h 35mAmerican Airlines
Tue 7/109:15 a.m.BIO - YYZ
2 stops18h 15mAmerican Airlines
Deal found 31/7C$ 929
Mon 13/103:00 p.m.YYZ - BIO
2 stops16h 20mAir Canada
Fri 17/107:15 a.m.BIO - YYZ
2 stops15h 05mAir Canada
Deal found 31/7C$ 952
Sun 14/95:25 p.m.YTZ - BIO
2 stops22h 45mMultiple Airlines
Sun 21/97:05 a.m.BIO - YTZ
2 stops20h 29mMultiple Airlines
Deal found 31/7C$ 1,032
Tue 9/95:00 p.m.YUL - BIO
1 stop17h 40mAir France
Thu 18/97:10 a.m.BIO - YUL
2 stops15h 45mAir France
Deal found 31/7C$ 1,042

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from Ontario to Bilbao that are best for you.

Fly from

Ontario

Fly to

Bilbao

Route

Depart

Return

Price

MontrealBilbao

YUL - BIO

YULBIO

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

7:05 p.m.-5:20 p.m.

1 stop16h 15m

Bilbao

Thu 12/2

5:20 p.m.-5:20 p.m.

1 stop30h 00m

C$ 776

MontrealBilbao

YUL - BIO

YULBIO

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

6:50 p.m.-4:30 p.m.

1 stop15h 40m

Bilbao

Thu 23/10

7:10 a.m.-4:55 p.m.

2 stops15h 45m

C$ 818

MontrealBilbao

YUL - BIO

YULBIO

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

7:10 p.m.-11:25 p.m.

2 stops22h 15m

Bilbao

Thu 23/10

7:15 a.m.-7:25 a.m.

2 stops30h 10m

C$ 855

TorontoBilbao

YYZ - BIO

YYZBIO

Toronto Pearson Intl

Mon 29/9

10:10 p.m.-5:30 p.m.

1 stop13h 20m

Bilbao

Tue 7/10

7:40 a.m.-4:50 p.m.

2 stops15h 10m

C$ 870

TorontoBilbao

YYZ - BIO

YYZBIO

Toronto Pearson Intl

Mon 13/10

8:20 p.m.-5:50 p.m.

1 stop15h 30m

Bilbao

Fri 17/10

6:45 a.m.-4:20 p.m.

1 stop15h 35m

C$ 879

MontrealBilbao

YUL - BIO

YULBIO

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

7:00 p.m.-4:40 p.m.

1 stop15h 40m

Bilbao

Thu 18/9

12:00 p.m.-4:55 p.m.

1 stop10h 55m

C$ 891

TorontoBilbao

YYZ - BIO

YYZBIO

Toronto Pearson Intl

Tue 26/8

11:30 p.m.-11:00 a.m.

1 stop29h 30m

Bilbao

Wed 24/12

11:55 a.m.-3:40 p.m.

1 stop33h 45m

C$ 894

TorontoBilbao

YYZ - BIO

YYZBIO

Toronto Pearson Intl

Mon 29/9

11:30 p.m.-10:00 p.m.

1 stop16h 30m

Bilbao

Mon 6/10

7:10 a.m.-8:55 p.m.

1 stop19h 45m

C$ 897

TorontoBilbao

YYZ - BIO

YYZBIO

Toronto Pearson Intl

Sun 28/9

10:55 a.m.-8:30 a.m.

2 stops15h 35m

Bilbao

Tue 7/10

9:15 a.m.-9:30 p.m.

2 stops18h 15m

C$ 929

TorontoBilbao

YYZ - BIO

YYZBIO

Toronto Pearson Intl

Mon 13/10

3:00 p.m.-1:20 p.m.

2 stops16h 20m

Bilbao

Fri 17/10

7:15 a.m.-4:20 p.m.

2 stops15h 05m

C$ 952

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 34 results
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Best time to book a flight from Ontario to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Bilbao

What is the cheapest time of day to fly from ON to BIO?

Find hourly flight availability from Ontario to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Bilbao as you normally would.

How much does it cost to fly round-trip from Region of Ontario to Bilbao?

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated 1 August 2025.
Read reviews from past customers who have flown Delta,KLM, andAzores Airlines from Ontario to Bilbao. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Azores Airlines
7.5
Good
67 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ontario to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Bilbao from Ontario?

    For a flight from Ontario to Bilbao, you will be flying into Bilbao. Bilbao (BIO) is just 4.9 km from the centre of the city.

  • What are the cheapest airlines to fly from Region of Ontario to Bilbao one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as C$ 598. Users have also found prices from C$ 609 and C$ 779 on Azores Airlines and United Airlines, respectively.

  • What are the most popular routes from Region of Ontario to Bilbao?

    The most popular flight routes from Region of Ontario to Bilbao are Montreal Pierre Elliott Trudeau Intl - Bilbao, Toronto Pearson Intl - Bilbao and Toronto Island - Bilbao.

  • Can I find deals for flights from Ontario to Bilbao that include hotel bookings?

    Yes. In addition to deals on Ontario to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Bilbao.

  • Can I find deals for business class flights from Ontario to Bilbao?

    Yes. Cheapflights offers flight deals from Ontario to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Ontario to Bilbao

Discover the top 3 airlines that operate flights from Ontario to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapestC$ 885AverageC$ 1,351FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapestC$ 908AverageC$ 1,139FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air CanadaCheapestC$ 957AverageC$ 1,295FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Bilbao?

Cheapflights makes it easy to find Ontario to Bilbao flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Bilbao?

Cheapflights helps you find that perfect flight to Bilbao from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Bilbao with no change fees?

Yes, we can. To see specific flights from Ontario to Bilbao with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Bilbao become cheaper?

Yes! Start tracking prices for Ontario to Bilbao flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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